A method and device for monitoring a target of interest
A technology of interested targets and targets, which is applied in the field of video surveillance, can solve the problems of inaccurate target recognition, unstable output efficiency, and inability to track and monitor after changing mobile phones, and achieve the effects of low impact of crowd density, high accuracy and stability
Active Publication Date: 2021-06-22
ZHEJIANG UNIVIEW TECH CO LTD
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[0006] The purpose of the present invention is to provide a method and device for monitoring the target of interest, so as to overcome the problems of inaccurate target identification, unstable output efficiency, and inability to track and monitor when changing mobile phones in the prior art solutions
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[0035] The technical solution of the present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments, and the following embodiments do not constitute a limitation of the present invention.
[0036] The overall design idea of this technical solution is to use the fixedness of multiple "identity feature" information (such as face features, clothing features, mobile phone MAC, etc.) (such as crossroads, subway exits, etc.) personnel may carry out multi-point continuous deployment and control in the direction of travel.
[0037] Such as figure 1 As shown, the associated monitoring point is the associated camera on the possible historical trajectory of the target. Assuming that the No. 1 camera is a subway exit camera, and the target’s traveling direction is judged to be exiting from the subway exit, there is no associated camera on the historical trajectory; when the No. 2 camera detects To the target and the direction o...
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The invention discloses a monitoring method and device for a target of interest. By comparing visually detected identity features with collected wireless device information and a list of interested targets, the captured video frames, the target's identity features, and the wireless device are compared with each other. The information comparison result is bound as an object package and sent to the back-end server; after receiving the object package reported by the surveillance camera, the back-end server stores the object package in the storage directory corresponding to the surveillance camera. Repeated wireless device information search is performed in the object package stored in the associated monitoring point to determine the target of interest and its corresponding wireless device information, and generate corresponding alarm information. The present invention determines the confidence level of the target of interest and its wireless device information based on multiple identity features. As long as the facial feature is detected once, the target of interest detection and wireless device information search can be performed. Higher accuracy and stability.
Description
technical field [0001] The invention belongs to the technical field of video monitoring, and in particular relates to a monitoring method and device for an interested target. Background technique [0002] With the development of video surveillance technology, tracking and monitoring objects of interest has gradually become a standard function in the security field. In the actual application scene, the camera is generally configured to detect and capture the people in the monitoring scene, and then compare and analyze the preset target through the back-end server (or directly implement it on the camera). Once the target of interest is captured, it can be triggered. A series of linkage programs such as follow-up continuous tracking. [0003] However, the actual monitoring scene is more complex, such as building occlusion, dense crowds, etc., which brings certain difficulties to the discovery of interesting targets and continuous tracking through video analysis. Purely through...
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IPC IPC(8): H04N7/18G06K9/32G06K9/00
CPCH04N7/181G06V20/40G06V20/46G06V10/25
Inventor 俞燕丽
Owner ZHEJIANG UNIVIEW TECH CO LTD